2004PASP..116..170S

Query : 2004PASP..116..170S

2004PASP..116..170S - Publ. Astron. Soc. Pac., 116, 170-177 (2004/February-0)

A newly discovered open cluster surrounding the Wolf-Rayet stars WR 38 and WR 38a.

SHORLIN S.L., TURNER D.G. and PEDREROS M.H.

Abstract (from CDS):

Photoelectric and CCD UBV survey data are presented for stars brighter than about V∼16.5 in the field of the faint Carina Wolf-Rayet (WR) stars WR 38 and WR 38a. Both WR stars appear to belong to an associated compact cluster (nuclear diameter ∼0'.3) of at least six faint OB stars reddened by EB–V=1.60±0.02 s.e. and lying at a distance of ∼14.5±1.6 kpc (V0-MV=15.80±0.25 s.d.). As cluster members, the two WR stars have estimated luminosities of Mv=-5.8 (WR 38, type WC4) and Mv=-5.0 (WR 38a, type WN5). The former value is slightly more luminous than expected for Galactic WR stars.

Abstract Copyright: ∼

Journal keyword(s): Stars: Wolf-Rayet - Stars: Evolution - open clusters and associations: individual: C1104-610a - open clusters and associations: individual: C1104-610b

Nomenclature: NAME SHORLIN 1. Tables 1, 2: [STP2004] NNN (Nos 1-138).

Status at CDS : All or part of tables of objects will not be ingested in SIMBAD.

Simbad objects: 7

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Number of rows : 7
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 NAME Shorlin 1 OpC 11 05 46 -61 13.9           ~ 20 0
2 [MS70] 8 WR* 11 05 46.42920 -61 13 48.7524     14.66 14.713   WC4 41 0
3 WR 38a WR* 11 05 48.9639107880 -61 13 41.352428748 16.33 16.27 15.12     WN5o 16 0
4 WR 38b WR* 11 06 18.5765821320 -61 14 13.746272892   17.71 16.21     WC7+OB 13 0
5 WR 39 WR* 11 06 18.7294130136 -61 14 18.439964196   14.33 13.05 13.15   WC7 46 0
6 HD 165763 WR* 18 08 28.4692108104 -21 15 11.183076540 7.16 7.54 7.82 8.55   WC6 286 0
7 HD 195177 WR* 20 28 22.6636321896 +38 37 18.977440692 13.42 12.67 11.46     WC4+Be 91 0

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